中文

一种快速响应防卡钎液压凿岩控制系统

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  • Release time:2020-02-23

  • Disigner of the Invention:罗春雷

  • Type of Patent:Utility models

  • State of Patent:Authorized patents

  • Authorization number:ZL201420013148.4

  • Service Invention or Not:no


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